This document presents an English presentation on parts of speech and types of prepositions. It defines prepositions as words that express the relationship between nouns or pronouns and other parts of a sentence. It then lists and describes 7 types of prepositions: simple prepositions consisting of one word, compound prepositions formed by prefixing a preposition to another part of speech, phrase prepositions that act as single prepositions, and prepositions of time, place, direction, and agent indicating when, where, toward, and by what something occurs. Examples are provided for each type of preposition.